package test1021;

public class MyCalculator {
    public int add(int a,int b){
        return a+b;
    }
    public int sub(int a,int b){
        return a - b;
    }
    public int mul(int a,int b){
        return a * b;
    }
    public int div(int a,int b){
        return a / b;
    }
}
